/*
 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
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 *
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 *
 *
 *
 */
package javax.swing.plaf.nimbus;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.Painter;


final class InternalFrameTitlePaneIconifyButtonPainter extends AbstractRegionPainter {

  //package private integers representing the available states that
  //this painter will paint. These are used when creating a new instance
  //of InternalFrameTitlePaneIconifyButtonPainter to determine which region/state is being painted
  //by that instance.
  static final int BACKGROUND_ENABLED = 1;
  static final int BACKGROUND_DISABLED = 2;
  static final int BACKGROUND_MOUSEOVER = 3;
  static final int BACKGROUND_PRESSED = 4;
  static final int BACKGROUND_ENABLED_WINDOWNOTFOCUSED = 5;
  static final int BACKGROUND_MOUSEOVER_WINDOWNOTFOCUSED = 6;
  static final int BACKGROUND_PRESSED_WINDOWNOTFOCUSED = 7;


  private int state; //refers to one of the static final ints above
  private PaintContext ctx;

  //the following 4 variables are reused during the painting code of the layers
  private Path2D path = new Path2D.Float();
  private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
  private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0);
  private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0);

  //All Colors used for painting are stored here. Ideally, only those colors being used
  //by a particular instance of InternalFrameTitlePaneIconifyButtonPainter would be created. For the moment at least,
  //however, all are created for each instance.
  private Color color1 = decodeColor("nimbusBlueGrey", 0.0055555105f, -0.0029994324f, -0.38039216f,
      -185);
  private Color color2 = decodeColor("nimbusOrange", -0.08377897f, 0.02094239f, -0.40392157f, 0);
  private Color color3 = decodeColor("nimbusOrange", 0.0f, 0.0f, 0.0f, 0);
  private Color color4 = decodeColor("nimbusOrange", -4.4563413E-4f, -0.48364475f, 0.10588235f, 0);
  private Color color5 = decodeColor("nimbusOrange", 0.0f, -0.0050992966f, 0.0039215684f, 0);
  private Color color6 = decodeColor("nimbusOrange", 0.0f, -0.12125945f, 0.10588235f, 0);
  private Color color7 = decodeColor("nimbusOrange", -0.08377897f, 0.02094239f, -0.40392157f, -106);
  private Color color8 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, 0);
  private Color color9 = decodeColor("nimbusOrange", 0.5203877f, -0.9376068f, 0.007843137f, 0);
  private Color color10 = decodeColor("nimbusOrange", 0.5273321f, -0.8903002f, -0.086274505f, 0);
  private Color color11 = decodeColor("nimbusOrange", 0.5273321f, -0.93313926f, 0.019607842f, 0);
  private Color color12 = decodeColor("nimbusOrange", 0.53526866f, -0.8995122f, -0.058823526f, 0);
  private Color color13 = decodeColor("nimbusOrange", 0.5233639f, -0.8971863f, -0.07843137f, 0);
  private Color color14 = decodeColor("nimbusBlueGrey", -0.0808081f, 0.015910469f, -0.40392157f,
      -216);
  private Color color15 = decodeColor("nimbusBlueGrey", -0.003968239f, -0.03760965f, 0.007843137f,
      0);
  private Color color16 = new Color(255, 200, 0, 255);
  private Color color17 = decodeColor("nimbusOrange", -0.08377897f, 0.02094239f, -0.31764707f, 0);
  private Color color18 = decodeColor("nimbusOrange", -0.02758849f, 0.02094239f, -0.062745094f, 0);
  private Color color19 = decodeColor("nimbusOrange", -4.4563413E-4f, -0.5074419f, 0.1490196f, 0);
  private Color color20 = decodeColor("nimbusOrange", 9.745359E-6f, -0.11175901f, 0.07843137f, 0);
  private Color color21 = decodeColor("nimbusOrange", 0.0f, -0.09280169f, 0.07843137f, 0);
  private Color color22 = decodeColor("nimbusOrange", 0.0f, -0.19002807f, 0.18039215f, 0);
  private Color color23 = decodeColor("nimbusOrange", -0.025772434f, 0.02094239f, 0.05098039f, 0);
  private Color color24 = decodeColor("nimbusOrange", -0.08377897f, 0.02094239f, -0.4f, 0);
  private Color color25 = decodeColor("nimbusOrange", -0.053104125f, 0.02094239f, -0.109803915f, 0);
  private Color color26 = decodeColor("nimbusOrange", -0.017887495f, -0.33726656f, 0.039215684f, 0);
  private Color color27 = decodeColor("nimbusOrange", -0.018038228f, 0.02094239f, -0.043137252f, 0);
  private Color color28 = decodeColor("nimbusOrange", -0.015844189f, 0.02094239f, -0.027450979f, 0);
  private Color color29 = decodeColor("nimbusOrange", -0.010274701f, 0.02094239f, 0.015686274f, 0);
  private Color color30 = decodeColor("nimbusOrange", -0.08377897f, 0.02094239f, -0.14509803f, -91);
  private Color color31 = decodeColor("nimbusOrange", 0.5273321f, -0.87971985f, -0.15686274f, 0);
  private Color color32 = decodeColor("nimbusOrange", 0.5273321f, -0.842694f, -0.31764707f, 0);
  private Color color33 = decodeColor("nimbusOrange", 0.516221f, -0.9567362f, 0.12941176f, 0);
  private Color color34 = decodeColor("nimbusOrange", 0.5222816f, -0.9229352f, 0.019607842f, 0);
  private Color color35 = decodeColor("nimbusOrange", 0.5273321f, -0.91751915f, 0.015686274f, 0);
  private Color color36 = decodeColor("nimbusOrange", 0.5273321f, -0.9193561f, 0.039215684f, 0);
  private Color color37 = decodeColor("nimbusBlueGrey", -0.01111114f, -0.017933726f, -0.32156864f,
      0);


  //Array of current component colors, updated in each paint call
  private Object[] componentColors;

  public InternalFrameTitlePaneIconifyButtonPainter(PaintContext ctx, int state) {
    super();
    this.state = state;
    this.ctx = ctx;
  }

  @Override
  protected void doPaint(Graphics2D g, JComponent c, int width, int height,
      Object[] extendedCacheKeys) {
    //populate componentColors array with colors calculated in getExtendedCacheKeys call
    componentColors = extendedCacheKeys;
    //generate this entire method. Each state/bg/fg/border combo that has
    //been painted gets its own KEY and paint method.
    switch (state) {
      case BACKGROUND_ENABLED:
        paintBackgroundEnabled(g);
        break;
      case BACKGROUND_DISABLED:
        paintBackgroundDisabled(g);
        break;
      case BACKGROUND_MOUSEOVER:
        paintBackgroundMouseOver(g);
        break;
      case BACKGROUND_PRESSED:
        paintBackgroundPressed(g);
        break;
      case BACKGROUND_ENABLED_WINDOWNOTFOCUSED:
        paintBackgroundEnabledAndWindowNotFocused(g);
        break;
      case BACKGROUND_MOUSEOVER_WINDOWNOTFOCUSED:
        paintBackgroundMouseOverAndWindowNotFocused(g);
        break;
      case BACKGROUND_PRESSED_WINDOWNOTFOCUSED:
        paintBackgroundPressedAndWindowNotFocused(g);
        break;

    }
  }


  @Override
  protected final PaintContext getPaintContext() {
    return ctx;
  }

  private void paintBackgroundEnabled(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient1(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient2(roundRect));
    g.fill(roundRect);
    rect = decodeRect1();
    g.setPaint(color7);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color8);
    g.fill(rect);

  }

  private void paintBackgroundDisabled(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient3(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient4(roundRect));
    g.fill(roundRect);
    rect = decodeRect1();
    g.setPaint(color14);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color15);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }

  private void paintBackgroundMouseOver(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient5(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient6(roundRect));
    g.fill(roundRect);
    rect = decodeRect1();
    g.setPaint(color23);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color8);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }

  private void paintBackgroundPressed(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient7(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient8(roundRect));
    g.fill(roundRect);
    rect = decodeRect4();
    g.setPaint(color30);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color8);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }

  private void paintBackgroundEnabledAndWindowNotFocused(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient9(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient10(roundRect));
    g.fill(roundRect);
    rect = decodeRect1();
    g.setPaint(color14);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color37);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }

  private void paintBackgroundMouseOverAndWindowNotFocused(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient5(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient6(roundRect));
    g.fill(roundRect);
    rect = decodeRect1();
    g.setPaint(color23);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color8);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }

  private void paintBackgroundPressedAndWindowNotFocused(Graphics2D g) {
    roundRect = decodeRoundRect1();
    g.setPaint(color1);
    g.fill(roundRect);
    roundRect = decodeRoundRect2();
    g.setPaint(decodeGradient7(roundRect));
    g.fill(roundRect);
    roundRect = decodeRoundRect3();
    g.setPaint(decodeGradient8(roundRect));
    g.fill(roundRect);
    rect = decodeRect4();
    g.setPaint(color30);
    g.fill(rect);
    rect = decodeRect2();
    g.setPaint(color8);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);
    rect = decodeRect3();
    g.setPaint(color16);
    g.fill(rect);

  }


  private RoundRectangle2D decodeRoundRect1() {
    roundRect.setRoundRect(decodeX(1.0f), //x
        decodeY(1.6111112f), //y
        decodeX(2.0f) - decodeX(1.0f), //width
        decodeY(2.0f) - decodeY(1.6111112f), //height
        6.0f, 6.0f); //rounding
    return roundRect;
  }

  private RoundRectangle2D decodeRoundRect2() {
    roundRect.setRoundRect(decodeX(1.0f), //x
        decodeY(1.0f), //y
        decodeX(2.0f) - decodeX(1.0f), //width
        decodeY(1.9444444f) - decodeY(1.0f), //height
        8.6f, 8.6f); //rounding
    return roundRect;
  }

  private RoundRectangle2D decodeRoundRect3() {
    roundRect.setRoundRect(decodeX(1.0526316f), //x
        decodeY(1.0555556f), //y
        decodeX(1.9473684f) - decodeX(1.0526316f), //width
        decodeY(1.8888888f) - decodeY(1.0555556f), //height
        6.75f, 6.75f); //rounding
    return roundRect;
  }

  private Rectangle2D decodeRect1() {
    rect.setRect(decodeX(1.25f), //x
        decodeY(1.6628788f), //y
        decodeX(1.75f) - decodeX(1.25f), //width
        decodeY(1.7487373f) - decodeY(1.6628788f)); //height
    return rect;
  }

  private Rectangle2D decodeRect2() {
    rect.setRect(decodeX(1.2870814f), //x
        decodeY(1.6123737f), //y
        decodeX(1.7165072f) - decodeX(1.2870814f), //width
        decodeY(1.7222222f) - decodeY(1.6123737f)); //height
    return rect;
  }

  private Rectangle2D decodeRect3() {
    rect.setRect(decodeX(1.0f), //x
        decodeY(1.0f), //y
        decodeX(1.0f) - decodeX(1.0f), //width
        decodeY(1.0f) - decodeY(1.0f)); //height
    return rect;
  }

  private Rectangle2D decodeRect4() {
    rect.setRect(decodeX(1.25f), //x
        decodeY(1.6527778f), //y
        decodeX(1.7511961f) - decodeX(1.25f), //width
        decodeY(1.7828283f) - decodeY(1.6527778f)); //height
    return rect;
  }


  private Paint decodeGradient1(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.24868421f * w) + x, (0.0014705883f * h) + y, (0.24868421f * w) + x,
        (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color2,
            decodeColor(color2, color3, 0.5f),
            color3});
  }

  private Paint decodeGradient2(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.25f * w) + x, (0.0f * h) + y, (0.25441176f * w) + x,
        (1.0016667f * h) + y,
        new float[]{0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
        new Color[]{color4,
            decodeColor(color4, color3, 0.5f),
            color3,
            decodeColor(color3, color5, 0.5f),
            color5,
            decodeColor(color5, color6, 0.5f),
            color6});
  }

  private Paint decodeGradient3(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.24868421f * w) + x, (0.0014705883f * h) + y, (0.24868421f * w) + x,
        (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color9,
            decodeColor(color9, color10, 0.5f),
            color10});
  }

  private Paint decodeGradient4(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.25f * w) + x, (0.0f * h) + y, (0.25441176f * w) + x,
        (1.0016667f * h) + y,
        new float[]{0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
        new Color[]{color11,
            decodeColor(color11, color12, 0.5f),
            color12,
            decodeColor(color12, color13, 0.5f),
            color13,
            decodeColor(color13, color10, 0.5f),
            color10});
  }

  private Paint decodeGradient5(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.24868421f * w) + x, (0.0014705883f * h) + y, (0.24868421f * w) + x,
        (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color17,
            decodeColor(color17, color18, 0.5f),
            color18});
  }

  private Paint decodeGradient6(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.25f * w) + x, (0.0f * h) + y, (0.25441176f * w) + x,
        (1.0016667f * h) + y,
        new float[]{0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
        new Color[]{color19,
            decodeColor(color19, color20, 0.5f),
            color20,
            decodeColor(color20, color21, 0.5f),
            color21,
            decodeColor(color21, color22, 0.5f),
            color22});
  }

  private Paint decodeGradient7(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.24868421f * w) + x, (0.0014705883f * h) + y, (0.24868421f * w) + x,
        (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color24,
            decodeColor(color24, color25, 0.5f),
            color25});
  }

  private Paint decodeGradient8(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.25f * w) + x, (0.0f * h) + y, (0.25441176f * w) + x,
        (1.0016667f * h) + y,
        new float[]{0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
        new Color[]{color26,
            decodeColor(color26, color27, 0.5f),
            color27,
            decodeColor(color27, color28, 0.5f),
            color28,
            decodeColor(color28, color29, 0.5f),
            color29});
  }

  private Paint decodeGradient9(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.24868421f * w) + x, (0.0014705883f * h) + y, (0.24868421f * w) + x,
        (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color31,
            decodeColor(color31, color32, 0.5f),
            color32});
  }

  private Paint decodeGradient10(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.25f * w) + x, (0.0f * h) + y, (0.25441176f * w) + x,
        (1.0016667f * h) + y,
        new float[]{0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.78336793f,
            0.9161677f},
        new Color[]{color33,
            decodeColor(color33, color34, 0.5f),
            color34,
            decodeColor(color34, color35, 0.5f),
            color35,
            decodeColor(color35, color36, 0.5f),
            color36});
  }


}
